/*
 * Copyright 2006-2009 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.osgi.service.importer.support.internal.collection;

/**
 * Interface exposed by proxies, generated by OSGi service importers, used internally by the framework.
 * 
 * @author Costin Leau
 * 
 */
public interface CollectionProxy {

	/**
	 * Is the underlying proxy satisfied?
	 * 
	 * For dynamic, mandatory imports, this checks the service reference. For
	 * optional imports, it always returns true.
	 * 
	 * @return
	 */
	boolean isSatisfied();
}
